V2EX self-centering

Self-centering

释义 Definition

self-centering(自定心的/自动居中的):指部件或结构在受力、装配或运动过程中,能够自动对准中心位置,减少偏心与误差。常见于夹具、轴承、联轴器、转向机构、光学与机械定位等语境。
(也可用于心理语境,指“以自我为中心地调整/把注意力拉回自身”,但工程技术语境更常见。)

发音 Pronunciation (IPA)

/self sentr/

例句 Examples

A self-centering chuck grips the workpiece evenly.
自定心卡盘能把工件均匀夹紧。

The joint uses a self-centering mechanism to reduce alignment errors during assembly and improve repeatability.
该接头采用自定心机构,在装配过程中减少对中误差并提高重复定位精度。

词源 Etymology

self-(自行的、自动的) + centering(使居中/定中心) 组合而成,字面意思就是“自己把位置调整到中心”。在工程英语中常用来描述“无需额外调节即可自动对中”的设计特性。

相关词 Related Words

文学与著名作品 Literary Works & Notable Usage

  • Machinery’s Handbook(常用于机加工与夹具章节,如自定心卡盘 self-centering chuck 等术语)
  • Shigley’s Mechanical Engineering Design(在机械设计与装配/对中相关内容中常见类似术语用法)
  • Fundamentals of Machine Component Design(涉及轴承、联接与对中设计时常出现相关表达)
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